3. The genetic code is commaless, which means that no codon is reserved for punctuations. It means that after one amino acid is coded, the second amino acid will be automatically, coded by the next three letters and that no letters are wasted as the punctuation marks (Fig.
Summer solstice is the first day of summer - it's usually between June 20th and June 23rd. In 2016, the summer solstice takes place on June 20th. We know it's summer because the earth's axis tilts toward the sun from June to September - this means warmer weather and longer days.
Summer Solstice and Strawberry Moon: Everything you need to know about the longest day of the year. The summer solstice is the longest day of the year, a day falling around late June when there are approximately 17 hours of light. The name comes from the Latin solstitium meaning âsun stands stillâ.